Power supply apparatus
US-9224530-B2 · Dec 29, 2015 · US
Transformer
US8975993B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8975993-B2 |
| Application number | US-201113299881-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 18, 2011 |
| Priority date | Nov 26, 2010 |
| Publication date | Mar 10, 2015 |
| Grant date | Mar 10, 2015 |
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- Title
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Abstract
Official abstract text for this publication.
A transformer that improves the DC superposition characteristic without incurring eddy-current losses. In the transformer, a part of a plate-like core opposing a top face of a flange of a drum core is formed with a first opposing portion opposing none of input and output terminals and a second opposing portion opposing the input and output terminals. A first gap is formed between the top face and the first opposing portion by a spacer. A second gap greater than the first gap is formed by a recess of the plate-like core provided so as to correspond to the second opposing portion. This allows magnetic fluxes to pass between the top face and the first opposing portion where the gap is formed and inhibits them from passing between the plate-like core and the input and output terminals where the second gap greater than the first gap is formed.
First claim
Opening claim text (preview).
What is claimed is: 1. A transformer comprising: a drum core, made of ferrite, having a winding core part and flanges disposed at both ends of the winding core part; a winding wound about the winding core part, the winding including a first winding and a second winding, the first winding having a different number of turns than the second winding; a terminal electrode, disposed at the flange, for connecting with a terminal of the winding on a top face of the flange; and a pla…
Assignees
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Classifications
- H01F3/14Primary
Electricity · mapped topic
Electricity · mapped topic
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Frequently asked questions
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- What does patent US8975993B2 cover?
- A transformer that improves the DC superposition characteristic without incurring eddy-current losses. In the transformer, a part of a plate-like core opposing a top face of a flange of a drum core is formed with a first opposing portion opposing none of input and output terminals and a second opposing portion opposing the input and output terminals. A first gap is formed between the top face a…
- Who is the assignee on this patent?
- Tomonari Toshio, Harata Hideaki, Tsuchida Setu, and 2 more
- What technology area does this patent fall under?
- Primary CPC classification H01F3/14. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Mar 10 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).